Novelty doorbell



FIG. 1 is a perspective view of a novelty doorbell showing my new design;

FIG. 2 is a reduced-perspective view thereof;

FIG. 3 is a left side elevational view thereof;

FIG. 4 is a right side elevational thereof;

FIG. 5 is a front elevational view thereof;

FIG. 6 is a rear elevational view thereof;

FIG. 7 is a top plan view thereof; and,

FIG. 8 is a bottom plan view thereof.

In the drawings, the broken line showing of a door and dog depicts environmental subject matter and forms no part of the claimed design. 

The ornamental design for a novelty doorbell, as shown and described. 